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2020-01-01
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To: Frank da Cruz <SY.FDC@CU20B.COLUMBIA.EDU>
From: John Voigt, Tulane Univ. Systems Group <SYSBJAV@TCSVM.BITNET>
Date: 10/20/85 13:02:43 CDT
Re: Error in Z100 KERMIT
August Treubig of Middle South Services discovered a bug in the Z100
version of KERMIT. It caused MS-DOS to crash. The fix is in the GETBAUD
routine. Add the lines marked with ";***" below in the Z100 system
dependent source file, MSXZ10.ASM:
GETBAUD PROC NEAR
mov bx,ds
mov es,bx
mov bx,offset auxconf
mov ah,chr_status
mov al,chr_sfgc ; Status function get config info
push di ;*** save this
call bios_auxfunc
pop di ;*** restore
mov ch,0
mov cl,auxconf.cfbaud
mov bp,portval
mov ds:[bp].baud,cx
ret
GETBAUD ENDP
This fix has been added to the MSXZ10.ASM source in the Kermit distribution
area, but the .BOO file is still based on the unfixed source (as of version
2.28, 7 June 1985).